Security Error: PDF files must be hosted on the same domain as this site.

PDF is hosted on: http://https%3A%2F%2Fdeseta-gimnazija.hr%2Fwp-content%2Fuploads%2F2019%2F03%2Fobrazac-poziva-budimpe%C5%A1ta-2.c-i-2.e.pdf but this site is: https://deseta-gimnazija.hr